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Finding the Fourth Proportional to 62,949.44, 86,866.84 and 36,090.64

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Solution

The fourth proportional to 62,949.44, 86,866.84 and 36,090.64 is: 49,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,949.44 : 86,866.84 = 36,090.64 : x
  2. Step 2: Convert to fraction form
    62,949.44/86,866.84 = 36,090.64/x
  3. Step 3: Cross multiply
    62,949.44x = 86,866.84 × 36,090.64
  4. Step 4: Simplify right side
    62,949.44x = 3,135,079,850.38
  5. Step 5: Solve for x
    x = 3,135,079,850.38/62,949.44
  6. Step 6: Final answer
    x = 49,803.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.